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1985年以来,石油部已先后颁布了一批钻采专用工具产品标准,1986年将再颁布一批。今后非标准钻采工具产品不再组织生产,各单位应当按照部颁标准组织订货和进行产品质量验收工作。已颁布标准的产品有:《AJ-J型安全接头》编号SY6067-85,规范φ86(3 3/8″)～φ254(10″)毫米。《LT-T型可退式打捞筒》编号SY5068-85,规范φ89(3 1/2″)～φ302(11 7/8″)毫米。《LM-T型可退式打捞矛》编号SY5069-85,规范φ60(2 3/8″)～φ340(13 3/8″)毫米。《ND-J型机械式内割刀》编号SY5070-85,规范φ60(2 3/8″)～φ508(20″)毫米。《XYQ型修井液压动力钳》编号SY5074-85,适用油管直径
Since 1985, the Ministry of Petroleum has promulgated a batch of product standards for drilling and mining special tools and will be promulgated again in 1986. In the future, non-standard drilling tools will no longer be manufactured. All units shall order and carry out product quality inspection in accordance with the ministerial standards. Standard products have been issued: “AJ-J-type safety connector,” the number SY6067-85, specifications φ86 (3 3/8 “) ~ φ254 (10”) mm. “LT-T retractable overshot” number SY5068-85, the standard φ89 (3 1/2 “) ~ φ302 (11 7/8”) mm. “LM-T retractable spear” number SY5069-85, the standard φ60 (2 3/8 “) ~ φ340 (13 3/8”) mm. “ND-J Type Internal Cutter” No. SY5070-85, Specification φ60 (2 3/8 “) ~ φ508 (20”) mm. “XYQ Workover Hydraulic Power Tong” No. SY5074-85, for tubing diameter